Under magnification, you can see in great detail all the crud that has accumulated on this slide over the last 56 years. Photoshop includes tools for removing this, but they must be very carefully applied, which is very time-consuming.

Under magnification, you can see in great detail all the crud that has accumulated on this slide over the last 56 years. Photoshop includes tools for removing this, but they must be very carefully applied, which is very time-consuming.